Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	JP21 pins 1-4	Turbo switch	JP21 pins 15-16
Power LED & keylock	JP21 pins 6-10	Turbo LED	JP21 pins 18-19
Reset switch	JP21 pins 11-12

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CPU speed select iOSC/1	JP4	pins 2 & 3 closed
	CPU speed select iOSC/2	JP4	pins 1 & 2 closed
»	Monitor type select color	JP19	Closed
	Monitor type select monochrome	JP19	Open
»	RTC type select DS1187	JP25	pins 1 & 2 closed
	RTC type select 146818	JP25	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	NONE	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP11	JP12	JP13	JP14	JP15
64KB	1 & 2	Open	2 & 3	Open	Open
128KB	2 & 3	1 & 2	1 & 2	Closed	Open
256KB	2 & 3	2 & 3	2 & 3	Closed	Closed
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JP1	JP2	JP3
80486SX	Open	Open	pins 2 & 3 closed
80487SX	pins 2 & 3 closed	Closed	pins 1 & 2 closed
80486DX	pins 1 & 2 closed	Closed	pins 1 & 2 closed
80486DX2	pins 1 & 2 closed	Closed	pins 1 & 2 closed